Subtract 3/7 from 84/12
1st number: 7 0/12, 2nd number: 3/7
84/12 - 3/7 is 46/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
84/12 = 84 × 7/12 × 7 = 588/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
3/7 = 3 × 12/7 × 12 = 36/84 - Subtract the two like fractions:
588/84 - 36/84 = 588 - 36/84 = 552/84 - After reducing the fraction, the answer is 46/7
- In mixed form: 64/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12-6/7 84/24-3/7 84/12-3/14 84/12-9/7 84/36-3/7 84/12-3/21 84/12-15/7 84/60-3/7 84/12-3/35 84/12-21/7 84/12-3/49